CN104388153A - Long-service-life gas-vehicle engine lubricating oil - Google Patents
Long-service-life gas-vehicle engine lubricating oil Download PDFInfo
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- CN104388153A CN104388153A CN201410322579.3A CN201410322579A CN104388153A CN 104388153 A CN104388153 A CN 104388153A CN 201410322579 A CN201410322579 A CN 201410322579A CN 104388153 A CN104388153 A CN 104388153A
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- oil
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- automobile engine
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 23
- 239000002199 base oil Substances 0.000 claims abstract description 11
- 239000002270 dispersing agent Substances 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 10
- 239000003112 inhibitor Substances 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- -1 dithio amino formate Chemical compound 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 claims description 5
- 239000012990 dithiocarbamate Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 239000004711 α-olefin Substances 0.000 claims description 4
- JHPBZFOKBAGZBL-UHFFFAOYSA-N (3-hydroxy-2,2,4-trimethylpentyl) 2-methylprop-2-enoate Chemical compound CC(C)C(O)C(C)(C)COC(=O)C(C)=C JHPBZFOKBAGZBL-UHFFFAOYSA-N 0.000 claims description 3
- BYLSIPUARIZAHZ-UHFFFAOYSA-N 2,4,6-tris(1-phenylethyl)phenol Chemical compound C=1C(C(C)C=2C=CC=CC=2)=C(O)C(C(C)C=2C=CC=CC=2)=CC=1C(C)C1=CC=CC=C1 BYLSIPUARIZAHZ-UHFFFAOYSA-N 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 3
- 229920005610 lignin Polymers 0.000 claims description 3
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N pentanoic acid group Chemical group C(CCCC)(=O)O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 claims description 3
- 150000004671 saturated fatty acids Chemical class 0.000 claims description 2
- 230000003078 antioxidant effect Effects 0.000 abstract description 6
- 239000003963 antioxidant agent Substances 0.000 abstract description 5
- 229920001732 Lignosulfonate Polymers 0.000 abstract description 4
- 235000019357 lignosulphonate Nutrition 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 abstract description 4
- 238000010008 shearing Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract description 2
- 230000003064 anti-oxidating effect Effects 0.000 abstract 1
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 25
- 239000000047 product Substances 0.000 description 16
- 239000010705 motor oil Substances 0.000 description 13
- 239000010721 machine oil Substances 0.000 description 11
- 239000003915 liquefied petroleum gas Substances 0.000 description 8
- 238000009834 vaporization Methods 0.000 description 7
- 230000008016 vaporization Effects 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 239000000654 additive Substances 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 235000006708 antioxidants Nutrition 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 230000003245 working effect Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229920013639 polyalphaolefin Polymers 0.000 description 3
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- BZJTUOGZUKFLQT-UHFFFAOYSA-N 1,3,5,7-tetramethylcyclooctane Chemical group CC1CC(C)CC(C)CC(C)C1 BZJTUOGZUKFLQT-UHFFFAOYSA-N 0.000 description 1
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 description 1
- OEOIWYCWCDBOPA-UHFFFAOYSA-N 6-methyl-heptanoic acid Chemical compound CC(C)CCCCC(O)=O OEOIWYCWCDBOPA-UHFFFAOYSA-N 0.000 description 1
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- BAPJBEWLBFYGME-UHFFFAOYSA-N acrylic acid methyl ester Natural products COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- GQEZCXVZFLOKMC-UHFFFAOYSA-N n-alpha-hexadecene Natural products CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical group CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 229960001124 trientine Drugs 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
Related long-service-life gas-vehicle engine lubricating oil comprises, in percent by weight, 85-95% of novel-structure synthesize base oil, 1-5% of a novel high-temperature ash-free dispersant, 0.1-2% of an oil-soluble sulfonated lignin clearing agent, 0.3-5% of a high-temperature ash-free antioxidant, 0.3-5% of a high-temperature antioxidation antiwear anticorrosion agent, 0-0.5% of a pour-point depressant and 5-50 ppm of a (additionally added) anti-foaming agent. The beneficial effects comprise that compared with conventional gas-vehicle engine lubricating oil products, and the gas-vehicle engine lubricating oil has the advantages of good balance, good shearing stability, long service life, small evaporation loss, phosphorus-free fomular, safety, environment friendliness and the like, and is capable of satisfying lubrication of large-power gas engines.
Description
Technical field
The present invention relates to lubricating oil field, particularly, relate to a kind of long lifetime Lubricating Oil for Gas Automobile Engine.
Background technology
Along with developing rapidly of automobile industry, China's automobile pollution significantly increases, and automobile energy consumption and environmental issue cause the whole society to show great attention to.Automobile fuel gas engine is owing to having energy-conservation, low emission, and range of application is more and more wider.Gas engine is also gas blowing engine, is with LPG(liquefied petroleum gas (LPG)), CNG(compressed natural gas) be the common name of the engine of fuel.Liquefied petroleum gas (LPG) (LPG) by the mixture of propane and butane for mainly to form; Compressed natural gas (CNG) based on methane, containing a small amount of ethane, propane, butane etc.
Because gas engine combustion medium is LPG, CNG, LNG etc., therefore gas engine has combustion chamber high temperature, nitrogen oxide in tail gas content high: the calorific value that fuel gas buring produces is large, chamber temperature is raised, relatively different source of the gas, the combustion chamber for gas combustion engine temperature higher than diesel motor tens of different capacity is not to a few Baidu etc.; Although LPG, CNG are clean fuel, due to combustion chamber high temperature, cause nitrogen oxide in tail gas content to raise, and during use normal engine oil, following problem can be caused:
1, make to send out machine oil nitrated, shorten machine oil work-ing life;
2, produce a large amount of greasy filth, plugging machine oil rectifier, during engine operation, can not sufficient lubrication be obtained, shorten service life of aeroengine;
3, normal engine oil ash content is high, easily causes spark plug fouling, causes premature ignition, and engine power performance declines;
4, greasy filth and carbon distribution increase, and cause engine cylinder and piston ring abrasive wear, reduction of service life;
5, temperature is high, easily causes engine corrosion to wear and tear.
Therefore, during gas car engine use normal engine oil, high-temperature oxidation resistance and the requirement of high temperature detergent-dispersant performance energy of gas engine cannot be met, lubricant life shortening, paint film and greasy filth is finally caused to increase, increase engine maintenance cost, and shorten the work-ing life of engine oil and engine.
In addition, because commercially available gas engine oil is base oil and additive component composition that various molecular weights is different, these basic oil flashs are lower, under the very high temperature working conditions of gas engine, vaporization losses is fast, cause oil consumption large, in use procedure, constantly property adds machine oil to keep good lubrication.Meanwhile, because its anti-oxidative stability is bad, cause machine oil rotten fast, the oil draining period is short.Because vaporization losses is large, the machine oil drain period is short, causes oil consumption large, is unfavorable for resources conservation like this.The machine oil of vaporization losses evaporate in air or is lost in environment simultaneously, and add and can produce a large amount of used oil etc. because the oil draining period is short, these are all unfavorable for environment protection.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of long service life and high-temperature oxidation resistant, anti-nitrated, abrasion resistance is outstanding, the long lifetime Lubricating Oil for Gas Automobile Engine that formulation stability is high.
Long lifetime Lubricating Oil for Gas Automobile Engine of the present invention is by methacrylic ester and ɑ-olefin copolymer base oil and have synergistic additive component with it and form, and comprises 85-95% methacrylic ester and ɑ-olefin copolymer, 1-5% new type high temperature ashless dispersant, 0.1-2% oil soluble high base number calcium lignin sulphonate (molecular weight is greater than 10000g/mol) purification agent, 0.3-5% high temperature ashless oxidation inhibitor, the wear-resistant corrosion inhibitor of 0.3-5% high temperature antioxygen, 0-0.5% pour point depressant, 5-50ppm kilfoam (additional).
Further, described alpha-olefin and alkylmethacrylate polymer, its molecular weight is: 300-25000, and 100 DEG C of kinematic viscosity are: 5-1500mm
2/ s, molecular structural formula is as follows:
In formula: R=C
1-C
2alkyl, R
1=C
3-C
20alkyl, R
2=C
5-C
20alkyl; N=1-50.
Further, described new texture multiamide polyester derivatives high temperature dispersant, react obtained by saturated fatty acid, dipentaerythritol, Succinic anhydried and organic amine, its molecular structure is as follows:
In formula: R
1, R
2, R
3, R
4=C
1-C
20side chain or branched-chain alkyl; X, Y=-(NHCH
2cH
2) nNH
2and (or)-(NHCH (n=1-4)
2cH
2cH
2) mNH
2(m=1-4).
Further, described ashless high-temperature antioxidant be 4,4 ˊ-(ɑ, ɑ-dimethyl benzyl) pentanoic, styrenated diphenylamine, styrenated phenol one or more.
Further, described described high temperature antioxygen, wear-resistant corrosion inhibitor are: zinc dialkyl dithiocarbamate or dialkyl dithio amino formate and their mixture.Structure as shown in the formula in 1 and formula 2(formula, R
1, R
2=C
4-C
20direct-connected or branched-chain alkyl:
Formula 1 zinc dialkyl dithiocarbamate molecular structure
The molecular structure of formula 2 dialkyl dithio amino formate
Further, described pour point depressant is commercially available prod, as: Infineum SV385.
Further, described described kilfoam is commercially available silicon type or non-silicon type antifoamer.As: T901 etc.
The preparation method of product of the present invention is: first add in blending kettle by base oil and the additive except kilfoam, stirring heating is warmed up to 70 ± 5 DEG C, then adds kilfoam, and constant temperature stirs 30min, obtains product after filtration.The preparation method of following each embodiment is consistent, just raw material type and (or) dosage difference.
the beneficial effect that the present invention has is:
1, formula composition simplifies, and quality product is easy to control, balance and good stability
Long lifetime Lubricating Oil for Gas Automobile Engine of the present invention adopts alpha-olefin-alkylmethacrylate polymer base oil first, relatively conventional poly-alpha olefins (PAO), introduce methacrylate based group in the molecular structure, impart the good polarity of this base oil, be conducive to and the mixing of other additive, it is that conventional formulation needs polycomponent to solve with compatibility problem that is additive to solve, there will not be the subtle change of usual production gene basis oil formula and the additive that causes in the phenomenon stored and separate out in use procedure.Meanwhile, the relative PAO of the viscosity due to alpha-olefin-alkylmethacrylate polymer is comparatively large, and low-temperature performance is good, in formula, except used base oil component is less, but also does not need to use thickening material and (or) pour point depressant.Which reduce the composition of formula, make the balance of formula and stability surmount common synthesis type lubricant formula, production process and the quality of product also easily control.
2, high temperature detergent-dispersant performance can be outstanding
Long lifetime Lubricating Oil for Gas Automobile Engine of the present invention adopts oil soluble high base number sulfonated lignin purification agent and multiamide polyester derivatives new type high temperature ashless dispersant.Compare with dispersion agent with common purification agent, product of the present invention is under gas engine hot operation environment, there is better detergent-dispersant performance energy, a small amount of settling of formation and carbon distribution can be made to hightail out engine friction surface, and be dispersed in oil, reduce greasy filth and carbon distribution production, the blocking of the abrasive wear that reduction engine produces because of settling and machine filter, extends machine oil oil draining period and service life of aeroengine.
3, vaporization losses is little, and shear stability is high
The alpha-olefin that long lifetime Lubricating Oil for Gas Automobile Engine base oil of the present invention is used and alkylmethacrylate polymer base oil are the compound that molecular weight distribution is narrower.Flash-point is high, and vaporization losses is little, can reduce engine oil consumption.Meanwhile, due to alpha-olefin and methyl acrylate copolymer basis oil viscosity comparatively large, do not need to add macromole tackifier to reach suitable viscosity.Therefore Lubricating Oil for Gas Automobile Engine of the present invention has outstanding shear stability, the engine oil problem that lubricating oil viscosity declines rapidly under high-power engine shearing force can be solved, that avoids producing because of engine oil pressure deficiency sends out a warning and the phenomenon such as to be short of power, and keeps engine continuous strong impetus.
4, antioxygen, anti-nitrification ability are by force, machine oil long service life
Long lifetime Lubricating Oil for Gas Automobile Engine of the present invention adopts 4, 4 ˊ-(ɑ, ɑ-dimethyl benzyl) pentanoic, styrenated diphenylamine, styrenated phenol is ashless high-temperature antioxidant, and the extreme pressure adopted, wear-resistant, corrosion inhibitor is and amine type, phenol type antioxidant has splendid synergistic dialkyl dithio amino formate and zinc dialkyl dithiocarbamate, fuel gas automobile engine oil of the present invention is made to have superpower anti-oxidant and anti-Nitrification, the requirement of high power gas engine lubrication can be met and there is work-ing life long especially, its work-ing life is 3 times of general gas automobile engine oil or more, more than 10000km is extended than the commercially available synthesis type fuel gas automobile engine oil oil draining period, substantially prolongs the oil draining period of engine oil.
5, without phosphorus formula, economizes on resources, safety, environmental protection
Long lifetime Lubricating Oil for Gas Automobile Engine of the present invention, the features such as vaporization losses is little owing to having, long service life, make the consumption of machine oil significantly reduce, are conducive to resources conservation.Simultaneously, because engine oil of the present invention has the oil draining period long especially, the quantity discharged of machine oil is greatly reduced, waste oil treatment pressure can be slowed down, adding the raw material that this patent product adopts is without phosphorus product, make product of the present invention not phosphorus element-containing, the poisoning of catalyst of vehicle exhaust conversion system can be prevented, therefore product safety of the present invention, environmental protection.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
The composition of embodiment and content and performance are as shown in table 1, table 2.
The composition of table 1 embodiment and content
Illustrate:
1. copolymer 1 is the multipolymer of methyl methacrylate and 1-amylene, 1-octene, and 100 DEG C of kinematic viscosity are 5.7mm
2/ s; Multipolymer 2 is β-dimethyl-aminoethylmethacrylate and 1-decene, 1-hexadecene copolymer, and 100 DEG C of kinematic viscosity are 14.3mm
2/ s; Multipolymer 3 is methyl methacrylate and 1-octene, 1-octadecylene multipolymer, and 100 DEG C of kinematic viscosity are 581.5mm
2/ s.
2. multiamide polyester derivatives A is the reaction product of 1mol dipentaerythritol and 2mol Succinic anhydried, 2mol isocaprylic acid, 2mol capric acid, 1mol triethylene tetramine, 1mol tetrapropylene triamine; Multiamide polyester derivatives B is the reaction product of 1mol dipentaerythritol and 2mol Succinic anhydried, 2mol acetic acid, 2mol stearic acid, 1mol diethylenetriamine, 1mol tetraethylene pentamine.
3. the molecular weight of sulfonated lignin 1 is 11700; The molecular weight of sulfonated lignin 2 is 23500.
The performance of each embodiment of table 2 and the performance comparison with commercially available prod
From the results shown in Table 2, product of the present invention, compared with commercially available prod, has following significant performance:
1, vaporization losses is little.Its Noack evaporation loss is only 1/1 to two/5th of commercially available same viscosity grade product;
2, shear stability is high.After high temperature high shear test, viscosity B coefficent is very little, and the viscosity number after shearing is about 2 times of commercially available prod;
3, resistance of oxidation is extremely strong.The score value of oil engine oxidation is minimum, is about 1/10th of commercially available prod;
4, high temperature detergent-dispersant performance can be given prominence to.After 330 DEG C of crankcase tests, product grading of the present invention is much smaller than commercially available prod, show that the cleansing performance of invention product is outstanding, Jiao's amount simultaneously formed is only 1/10 to ten/3rd of commercially available prod, shows that product of the present invention has extremely strong high temperature greasy filth dispersing property;
5, long service life.The product of invention can be exercised 40000km and be changed oil, and the oil drain interval of commercially available prod is 15000km-30000km.The oil draining period 10000km more than longer than commercially available prod of invention product.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a long lifetime Lubricating Oil for Gas Automobile Engine, is characterized in that, comprises following component:
(1) methacrylic ester and ɑ-olefin copolymer base oil: 85-95%
(2) new texture multiamide polyester derivatives high temperature dispersant: 1-5%;
(3) oil soluble high base number calcium lignin sulphonate purification agent: 0.1-2%, the molecular weight of oil soluble high base number calcium lignin sulphonate purification agent is greater than 10000g/mol;
(4) high temperature ashless oxidation inhibitor: 0.3-5%;
(5) high temperature antioxygen, wear-resistant, corrosion inhibitor: 0.3-5%;
(6) pour point depressant: 0-0.5%;
(7) kilfoam: 5-50ppm.
2. a kind of long lifetime Lubricating Oil for Gas Automobile Engine according to claim 1, it is characterized in that described alpha-olefin and alkylmethacrylate polymer base oil, its molecular weight is: 300-25000, and 100 DEG C of kinematic viscosity are: 5-1000mm
2/ s, molecular structural formula is as follows:
In formula: R=C
1-C
2alkyl, R
1=C
3-C
20alkyl, R
2=C
5-C
20alkyl; N=1-50.
3. a kind of long lifetime Lubricating Oil for Gas Automobile Engine according to claim 1, it is characterized in that described new texture multiamide polyester derivatives high temperature dispersant, react obtained by saturated fatty acid, dipentaerythritol, Succinic anhydried and organic amine, its molecular structure is as follows:
In formula: R
1, R
2, R
3, R
4=C
1-C
18side chain or branched-chain alkyl; X, Y=-(NHCH
2cH
2) nNH
2(n=1-5) ,-(NHCH
2cH
2cH
2) mNH
2(m=1-5).
4. a kind of long lifetime Lubricating Oil for Gas Automobile Engine according to claim 1, it is characterized in that described high temperature ashless oxidation inhibitor is 4, one or more of 4 ˊ-(ɑ, ɑ-dimethyl benzyl) pentanoic, styrenated diphenylamine, styrenated phenol.
5. a kind of long lifetime Lubricating Oil for Gas Automobile Engine according to claim 1, is characterized in that described high temperature antioxygen, wear-resistant, corrosion inhibitor is: zinc dialkyl dithiocarbamate or dialkyl dithio amino formate and their mixture; Structure is as shown in the formula 1 and formula 2:
Formula 1 zinc dialkyl dithiocarbamate molecular structure
The molecular structure of formula 2 dialkyl dithio amino formate
In formula, R
1, R
2=C
4-C
20direct-connected or branched-chain alkyl.
6. a kind of long lifetime Lubricating Oil for Gas Automobile Engine according to claim 1, is characterized in that described pour point depressant is Infineum SV385.
7. a kind of long lifetime Lubricating Oil for Gas Automobile Engine according to claim 1, is characterized in that described kilfoam is silicon type or non-silicon type antifoamer.
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| CN105296068A (en) * | 2015-11-13 | 2016-02-03 | 宣城市聚源精细化工有限公司 | Lubricating oil dispersant |
| CN105481741A (en) * | 2015-12-28 | 2016-04-13 | 山东源根石油化工有限公司 | Hindered-phenol-containing phenylenediaminothioformate, antioxidant containing compound and application thereof in gas engine lubricating oil |
| CN106635316A (en) * | 2016-11-04 | 2017-05-10 | 苏州圣鑫莱新材料有限公司 | Vehicle lubricating oil and preparation method thereof |
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| CN105481741A (en) * | 2015-12-28 | 2016-04-13 | 山东源根石油化工有限公司 | Hindered-phenol-containing phenylenediaminothioformate, antioxidant containing compound and application thereof in gas engine lubricating oil |
| CN106635316A (en) * | 2016-11-04 | 2017-05-10 | 苏州圣鑫莱新材料有限公司 | Vehicle lubricating oil and preparation method thereof |
| CN108531248A (en) * | 2018-06-05 | 2018-09-14 | 朱东洋 | A kind of wear-resisting anti-hardening preparation of greases method |
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| CN110982591A (en) * | 2019-11-29 | 2020-04-10 | 西京学院 | A durable high anti-wear automotive diesel engine lubricating oil |
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| CN116355674A (en) * | 2023-03-22 | 2023-06-30 | 上海奇克氟硅材料有限公司 | A kind of turbine oil antioxidant with low oil sludge production and its preparation method and application |
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